Finding the Fourth Proportional to 11,418.87, 17,131.02 and 3,627.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,418.87 : 17,131.02 = 3,627.69 : x
2. Step 2: Convert to fraction form
   11,418.87/17,131.02 = 3,627.69/x
3. Step 3: Cross multiply
   11,418.87x = 17,131.02 × 3,627.69
4. Step 4: Simplify right side
   11,418.87x = 62,145,944.29
5. Step 5: Solve for x
   x = 62,145,944.29/11,418.87
6. Step 6: Final answer
   x = 5,442.39